COngress is considering making a list of every manufacturer's diagnostic codes public.
http://www.detroitnews.com/2002/autosinsider/0206/14/b04-514500.htm
The part that got me was "Manufacturers started installing computers in cars in 1996..." WTF? "Computers" have been in cars ever since the first electronic caburetors in '80. Anyone have any idea what they're talking about? Do they mean OBDII?